CN111806153B

CN111806153B - Caster wheel mechanism and air conditioner with same

Info

Publication number: CN111806153B
Application number: CN202010719314.2A
Authority: CN
Inventors: 宗冬友; 姚新祥; 姚刚; 何炜; 胡树锋; 黄家璟
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2022-02-25
Anticipated expiration: 2040-07-23
Also published as: CN111806153A

Abstract

The invention provides a caster wheel mechanism and an air conditioner indoor unit with the same, wherein the caster wheel mechanism comprises: the first wheel body is connected with the second wheel body through a rotating shaft; the limiting plates are arranged on the first wheel body at intervals along the circumferential direction of the first wheel body so as to form a limiting groove between every two adjacent limiting plates, and each limiting plate is provided with a locking end surface and a sliding end surface which are sequentially arranged along the direction from the middle part to the edge of the first wheel body; the distance between two adjacent limiting plates is gradually increased along the direction from the locking end face to the sliding end face; the limiting component is provided with a limiting piece matched with the limiting groove, and the limiting piece is movably arranged between the locking end face and the sliding end face; when the limiting part is located the locking terminal surface, the limiting part respectively with two limiting plate butts adjacently to make first wheel body be in locking position, fall the problem of destroying easily with the air conditioner that has the truckle among the solution prior art.

Description

Caster wheel mechanism and air conditioner with same

Technical Field

The invention relates to the field of self-locking of air conditioner trundles, in particular to a trundle mechanism and an air conditioner with the same.

Background

At present, an air conditioner becomes an indispensable living electric appliance for families, a movable air conditioner indoor unit is more and more common, and the movable air conditioner is convenient for a user to install and move the air conditioner indoor unit by installing casters at the bottom of the air conditioner.

However, when the ground is uneven or has an inclined surface, the air-conditioning room is easy to be placed unstably, and the air-conditioning room can automatically move to cause the situations of falling or impact and the like; in addition, the indoor unit of the air conditioner with the caster wheels is easy to push by children at home, so that the air conditioner is damaged, and the service life of the air conditioner is shortened.

Disclosure of Invention

The invention mainly aims to provide a caster wheel mechanism and an air conditioner indoor unit with the same, and aims to solve the problem that an air conditioner with caster wheels in the prior art is easy to fall down.

In order to achieve the above object, according to one aspect of the present invention, there is provided a caster mechanism comprising: the first wheel body is connected with the second wheel body through a rotating shaft; the limiting plates are arranged on the first wheel body at intervals along the circumferential direction of the first wheel body so as to form a limiting groove between every two adjacent limiting plates, and each limiting plate is provided with a locking end surface and a sliding end surface which are sequentially arranged along the direction from the middle part to the edge of the first wheel body; the distance between two adjacent limiting plates is gradually increased along the direction from the locking end face to the sliding end face; the limiting component is provided with a limiting piece matched with the limiting groove, and the limiting piece is movably arranged between the locking end face and the sliding end face; when the limiting parts are located at the locking end surfaces, the limiting parts are respectively abutted against two adjacent limiting plates, so that the first wheel body is located at the locking position.

Furthermore, a first included angle is formed between the locking end face and the horizontal plane, a second included angle is formed between the sliding end face and the horizontal plane, and the first included angle is smaller than the second included angle.

Further, the caster mechanism further includes: the connecting frame is provided with a first frame body and a second frame body which are connected with each other, the first frame body is connected with the first wheel body, the second frame body is connected with the second wheel body, and at least part of the limiting assembly is arranged on the first frame body.

Further, spacing subassembly still includes: the elastic component is arranged on the first frame body; the mounting block is movably mounted on the first frame body, the limiting part is mounted on the mounting block, and the elastic component is abutted to the mounting block so as to enable the limiting part to be located on the locking end face by utilizing the elastic force of the elastic component.

Further, be provided with the mounting groove on the first support body, elastomeric element and installation piece are all installed in the mounting groove, and spacing subassembly still includes: the fixed lid, fixed lid at least part set up in the mounting groove, elastomeric element's both ends respectively with fixed lid and installation piece butt.

Furthermore, a through hole is formed in the mounting groove, and at least part of the limiting piece penetrates through the through hole and then is inserted into the limiting groove.

Further, the through hole is a strip-shaped hole, so that the limiting piece can move in the through hole.

Further, the stopper includes: the limiting shaft is arranged on the mounting block; the roller is arranged at one end of the limiting shaft far away from the mounting block, and at least part of the roller is in contact with the locking end face or the sliding end face.

Furthermore, a guide sleeve is arranged on the first wheel body, and at least part of the rotating shaft penetrates into the guide sleeve to be connected with the first wheel body; at least two limiting plates are arranged on the outer wall of the guide sleeve, and the at least two limiting plates are arranged along the circumferential direction of the guide sleeve at intervals.

According to another aspect of the present invention, there is provided an indoor unit of an air conditioner, including an air conditioner body and a caster mechanism, where the caster mechanism is installed at the bottom of the air conditioner body, and the caster mechanism is the above-mentioned caster mechanism.

According to the technical scheme, the caster wheel mechanism comprises a first wheel body, at least two limiting plates and a limiting assembly, wherein the first wheel body is connected with a second wheel body through a rotating shaft; the limiting plates are arranged on the first wheel body, the at least two limiting plates are arranged at intervals along the circumferential direction of the first wheel body so as to form a limiting groove between the two adjacent limiting plates, and the limiting plates are provided with a locking end surface and a sliding end surface which are sequentially arranged along the direction from the middle part to the edge of the first wheel body; the distance between two adjacent limiting plates is gradually increased along the direction from the locking end face to the sliding end face; the limiting component is provided with a limiting piece matched with the limiting groove, and the limiting piece is movably arranged between the locking end face and the sliding end face; when the limiting parts are located at the locking end surfaces, the limiting parts are respectively abutted against two adjacent limiting plates, so that the first wheel body is located at the locking position. The locking of the first wheel body can be realized when the limiting part is located on the locking end face by the arrangement, the first wheel body can not freely move on the inclined face, the limiting part can move to the sliding end face only by overcoming the locking force of the limiting part on the locking end face, and the first wheel body rotates.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic structural view of an embodiment of a caster mechanism according to the present invention;

figure 2 shows an exploded view of the caster mechanism according to the present invention;

figure 3 shows a schematic structural view from a first perspective of a castor mechanism according to the present invention;

figure 4 shows a structural schematic of a caster mechanism according to the present invention from a second perspective;

figure 5 shows a first state view of the castor mechanism according to the present invention;

fig. 6 shows a second state diagram of the caster mechanism according to the present invention.

Wherein the figures include the following reference numerals:

1. a first wheel body; 2. a rotating shaft; 3. a second wheel body; 4. a limiting plate; 40. a limiting groove; 41. locking the end face; 42. a sliding end face; 5. a limiting component; 50. a limiting member; 6. a connecting frame; 61. a first frame body; 62. a second frame body; 51. an elastic member; 52. mounting blocks; 610. mounting grooves; 53. a fixed cover; 611. through the hole; 501. a limiting shaft; 502. a roller; 10. a guide sleeve.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a caster mechanism, please refer to fig. 1 to 6, including: the first wheel body 1 is connected with the second wheel body 3 through a rotating shaft 2; the wheel body comprises at least two limiting plates 4 arranged on the first wheel body 1, the at least two limiting plates 4 are arranged at intervals along the circumferential direction of the first wheel body 1 so as to form a limiting groove 40 between the two adjacent limiting plates 4, and each limiting plate 4 is provided with a locking end surface 41 and a sliding end surface 42 which are sequentially arranged along the direction from the middle part to the edge of the first wheel body 1; the distance between two adjacent limiting plates 4 is gradually increased along the direction from the locking end surface 41 to the sliding end surface 42; the limiting component 5, the limiting component 5 has a limiting piece 50 matched with the limiting groove 40, and the limiting piece 50 is movably arranged between the locking end face 41 and the sliding end face 42; when the limiting members 50 are located on the locking end surfaces 41, the limiting members 50 respectively abut against two adjacent limiting plates 4, so that the first wheel body 1 is located at the locking position.

The caster wheel mechanism provided by the invention comprises a first wheel body 1, at least two limiting plates 4 and a limiting assembly 5, wherein the first wheel body 1 is connected with a second wheel body 3 through a rotating shaft 2; the at least two limiting plates 4 are arranged on the first wheel body 1, the at least two limiting plates 4 are arranged at intervals along the circumferential direction of the first wheel body 1 so as to form a limiting groove 40 between the two adjacent limiting plates 4, and each limiting plate 4 is provided with a locking end surface 41 and a sliding end surface 42 which are sequentially arranged along the direction from the middle part to the edge of the first wheel body 1; the distance between two adjacent limiting plates 4 is gradually increased along the direction from the locking end surface 41 to the sliding end surface 42; the limiting component 5 is provided with a limiting piece 50 matched with the limiting groove 40, and the limiting piece 50 is movably arranged between the locking end surface 41 and the sliding end surface 42; when the limiting members 50 are located on the locking end surfaces 41, the limiting members 50 respectively abut against two adjacent limiting plates 4, so that the first wheel body 1 is located at the locking position. The arrangement can realize the locking of the first wheel body 1 when the limiting part 50 is located on the locking end surface 41, so that the first wheel body 1 cannot freely move on the inclined surface, the locking force of the limiting part 50 on the locking end surface 41 needs to be overcome to enable the limiting part 50 to move to the sliding end surface 42, and the first wheel body 1 rotates, so that the self-locking function of the caster mechanism is realized, and when the caster mechanism is installed on an air-conditioning indoor unit, the condition that the air-conditioning indoor unit falls is avoided.

Specifically, a first included angle is formed between the locking end surface 41 and the horizontal plane, and a second included angle is formed between the sliding end surface 42 and the horizontal plane, wherein the first included angle is smaller than the second included angle. As shown in fig. 4, the angle α is a first angle and the angle β is a second angle.

In a specific implementation, the caster mechanism further comprises: the connecting frame 6 is provided with a first frame body 61 and a second frame body 62 which are connected with each other, the first frame body 61 is connected with the first wheel body 1, the second frame body 62 is connected with the second wheel body 3, and at least part of the limiting assembly 5 is arranged on the first frame body 61. The first wheel body 1 and the second wheel body 3 are connected into a whole through the connecting frame 6, so that the first wheel body 1 and the second wheel body 3 play a role of supporting together.

In order to facilitate the retaining of the limiting member in the locking position, the limiting assembly 5 further comprises: an elastic member 51 mounted on the first frame body 61; the mounting block 52 is movably mounted on the first frame body 61, the stopper 50 is mounted on the mounting block 52, and the elastic member 51 abuts against the mounting block 52, so that the stopper 50 is positioned on the locking end surface 41 by the elastic force of the elastic member 51. When the caster mechanism needs to be moved, the caster mechanism only needs to be applied with an elastic force overcoming the elastic component 51 to push the limiting member 50 out of the locking end surface 41 onto the sliding end surface, wherein the required pushing force is greater than the elastic force/sin α to separate the limiting member from the locking end surface 41, and then the first wheel body 1 and the second wheel body 3 can normally rotate, and after the rotation speed of the first wheel body and the second wheel body is increased, the limiting member 50 cannot timely move onto the sliding end surface 42 retained by the locking end surface 41, so that the caster mechanism normally moves. Preferably, a third preset included angle is formed between the elastic force direction of the elastic component 51 and the locking end surface 41, so that the locking force is smaller than the maximum static friction force between the first wheel body and the ground and larger than the rolling friction force of the first wheel body.

Specifically, the locking force ═ elastic force/sin α of the elastic member.

In the specific implementation process, in order to facilitate installation of the elastic component and the limiting component 50, the first frame body 61 is provided with an installation groove 610, the elastic component 51 and the installation block 52 are both installed in the installation groove 610, and the limiting component 5 further includes: and a fixing cover 53, wherein at least part of the fixing cover 53 is arranged in the mounting groove 610, and two ends of the elastic member 51 are respectively abutted with the fixing cover 53 and the mounting block 52. Preferably, the mounting groove 610 extends in a radial direction of the first frame body 61. The wall of the mounting groove 610 is provided with a clamping groove, and at least part of the fixing cover 53 is inserted into the clamping groove, so that the fixing cover 53 is fixedly mounted in the mounting groove 610 to apply acting force to the elastic component 51.

Wherein, the mounting groove 610 is provided with a through hole 611, and at least a part of the limiting member 50 is inserted into the limiting groove 40 after passing through the through hole 611.

In order to facilitate the movement of the limiting member 50, the through hole 611 is a bar-shaped hole, so that the limiting member 50 moves in the through hole 611.

The stopper 50 includes: a limit shaft 501 mounted on the mounting block 52; and the roller 502 is arranged at one end of the limiting shaft 501 far away from the mounting block 52, and at least part of the roller 502 is in contact with the locking end surface 41 or the sliding end surface 42. The friction between the roller 502 and the locking end surface and the sliding end surface can be reduced by providing the roller 502 so that the roller 502 can move between the locking end surface and the sliding end surface.

In the embodiment provided by the invention, the first wheel body 1 is provided with the guide sleeve 10, and at least part of the rotating shaft 2 penetrates into the guide sleeve 10 to be connected with the first wheel body 1; at least two limiting plates 4 are arranged on the outer wall of the guide sleeve 10, and the at least two limiting plates 4 are arranged at intervals along the circumferential direction of the guide sleeve 10.

The invention also provides an air-conditioning indoor unit, which comprises an air-conditioning body and the caster mechanism, wherein the caster mechanism is arranged at the bottom of the air-conditioning body, and the caster mechanism is the caster mechanism of the embodiment.

In the use, through locating part 50 and the contact of locking terminal surface 41, make locating part 50 joint in the spacing inslot, realize the locking function of truckle mechanism, at this moment, even the air conditioning indoor set is placed also can't remove by oneself on the subaerial of unevenness, when needs remove the air conditioner, only need apply great power to the air conditioner and make locating part 50 remove to sliding end surface 42 on, later can easily remove the air conditioner, the problem that the air conditioner fell easily because the ground is uneven or children's maloperation has been avoided, the life of air conditioning indoor set has been prolonged.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A caster mechanism, comprising:

the first wheel body (1), the first wheel body (1) is connected with the second wheel body (3) through a rotating shaft (2);

the wheel body comprises at least two limiting plates (4) arranged on the first wheel body (1), the at least two limiting plates (4) are arranged at intervals along the circumferential direction of the first wheel body (1) so as to form a limiting groove (40) between every two adjacent limiting plates (4), and each limiting plate (4) is provided with a locking end surface (41) and a sliding end surface (42) which are sequentially arranged along the direction from the middle part to the edge of the first wheel body (1); the distance between two adjacent limiting plates (4) is gradually increased along the direction from the locking end surface (41) to the sliding end surface (42);

the limiting component (5) is provided with a limiting piece (50) matched with the limiting groove (40), and the limiting piece (50) is movably arranged between the locking end surface (41) and the sliding end surface (42); when the limiting pieces (50) are located on the locking end surfaces (41), the limiting pieces (50) are respectively abutted against two adjacent limiting plates (4) so that the first wheel body (1) is located at a locking position;

the limiting assembly (5) further comprises: an elastic member (51) and an attachment block (52), wherein the stopper (50) is attached to the attachment block (52), and the elastic member (51) abuts against the attachment block (52) so that the stopper (50) is positioned on the lock end surface (41) by an elastic force of the elastic member (51); the limiting piece (50) is separated from the locking end surface and is positioned on the sliding end surface (42) by applying elastic force which overcomes the elastic component (51);

the elastic force direction of elastic component (51) with locking terminal surface (41) between have the third and predetermine the contained angle, elastic component (51) extend along the horizontal direction, the locking force of elastic component (51) is less than the biggest static friction power between first wheel body (1) and the ground just is greater than the rolling friction power of first wheel body (1).

2. The caster mechanism as claimed in claim 1, wherein said locking end surface (41) has a first angle with a horizontal plane and said sliding end surface (42) has a second angle with the horizontal plane, said first angle being smaller than said second angle.

3. The caster mechanism of claim 1, further comprising:

the connecting frame (6) is provided with a first frame body (61) and a second frame body (62) which are connected with each other, the first frame body (61) is connected with the first wheel body (1), the second frame body (62) is connected with the second wheel body (3), and at least part of the limiting assembly (5) is arranged on the first frame body (61).

4. A castor mechanism according to claim 3 characterised in that the resilient member (51) is mounted on the first frame (61).

5. The caster mechanism as claimed in claim 4, wherein the first frame body (61) is provided with a mounting groove (610), the elastic member (51) and the mounting block (52) are both mounted in the mounting groove (610), and the spacing assembly (5) further comprises:

and the fixing cover (53), at least part of the fixing cover (53) is arranged in the mounting groove (610), and two ends of the elastic component (51) are respectively abutted against the fixing cover (53) and the mounting block (52).

6. The caster mechanism as claimed in claim 5, wherein a through hole (611) is formed in the mounting groove (610), and at least a portion of the retainer (50) is inserted into the retainer groove (40) after passing through the through hole (611).

7. The caster mechanism as claimed in claim 6, wherein said through hole (611) is a bar-shaped hole so that said stopper (50) moves within said through hole (611).

8. The caster mechanism as claimed in claim 4, wherein said stopper (50) comprises:

a limiting shaft (501) mounted on the mounting block (52);

the roller (502) is installed at one end, away from the installation block (52), of the limiting shaft (501), and at least part of the roller (502) is in contact with the locking end face (41) or the sliding end face (42).

9. The caster mechanism as claimed in any one of claims 1 to 8, wherein the first wheel body (1) is provided with a guide sleeve (10), at least part of the rotating shaft (2) penetrating into the guide sleeve (10) to connect with the first wheel body (1);

the at least two limiting plates (4) are arranged on the outer wall of the guide sleeve (10), and the at least two limiting plates (4) are arranged along the circumferential direction of the guide sleeve (10) at intervals.

10. An indoor unit of an air conditioner, comprising an air conditioner body and a caster mechanism installed at the bottom of the air conditioner body, wherein the caster mechanism is the caster mechanism according to any one of claims 1 to 9.